A6260 ALLEGRO [Allegro MicroSystems], A6260 Datasheet - Page 9

• Manufacturer Part Number: A6260
• Description: High Brightness LED Current Regulator
• Manufacturer: ALLEGRO [Allegro MicroSystems]

A6260
12 V Power Net
Automotive
Figure 4. Typical applications circuits
12V Power Net
PWM Dimming
On-Off Control
Automotive
(c) Simple switched supply (lamp replacement)
Ground
and
Ground
PWM Dimming
On-Off Control
12 V Power Net
(a) Basic circuit with PWM
Automotive
and
Ground
EN
THTH
EN
THTH
GND
GND
VIN
VIN
SENSE
SENSE
LSS
LSS
LA
LC
LA
LC
EN
THTH
GND
VIN
(e) Parallel operation for higher LED current
SENSE
Applications Information
LSS
High Brightness LED Current Regulator
LA
LC
12V Power Net
PWM Source
Automotive
High-Side
(>6V) Supply
Low Voltage
(b) Switched supply plus high-side PWM source
LA
LC
LSS
SENSE
Ground
Ground
VIN
(d) Low voltage operation
GND
THTH
EN
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
EN
THTH
EN
THTH
GND
GND
VIN
VIN
SENSE
SENSE
LSS
LSS
LA
LC
LA
LC
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